[DeTomaso] Recap... Asa's adventure in Pantera fluid dynamics

michael@michaelshortt.com michaelsavga at gmail.com
Fri Sep 4 18:07:28 EDT 2009


You make my head hurt, I only use the creative side of my brain and shall
defer to you on these matters....

Michael





On Fri, Sep 4, 2009 at 5:55 PM, <wkooiman at earthlink.net> wrote:

> It's a square rule not 4 times.
>
> Area = pi * r * r.
>
> Whatever factor you apply to R, you have to square it to see how it impacts
> the area.
>
> So, 1/2 flows 4 times as much as 1/4, because 1/2 is twice 1/4. and twice *
> twice = 4 times.
>
> But, 1/3 flows 9 times as much as 1/9 because 1/3 is 3 times 1/9, and 3 * 3
> = 9 times - not 3 * 4.
>
> -----Original Message-----
> >From: "michael at michaelshortt.com" <michaelsavga at gmail.com>
> >Sent: Sep 4, 2009 3:43 PM
> >To: Tomas Gunnarsson <guson at home.se>
> >Cc: detomaso at realbig.com
> >Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid dynamics
> >
> >I think I remember something about a rule of 4 regarding flow and inside
> >diameter, i.e., a 1/2" pipe will flow 4x more fluid than a 1/4" pipe
> >etc., 2x size equals 4x the flow.
> >
> >Michael Shortt
> >
> >
> >I know it works for dynamite, 2 sticks combined is supposed to be equal to
> 4
> >single sticks ( totally unrelated but cool info cause you just never
> >know.....
> >
> >On Fri, Sep 4, 2009 at 3:00 PM, Tomas Gunnarsson <guson at home.se> wrote:
> >
> >> Thanks. I'd think that one big hole is better than several small of the
> >> same combined area. Surface tension can play tricks on you sometimes.
> >>
> >> Tomas
> >>
> >> ----- Original Message -----
> >> From: <asajay at asajay.com>
> >> To: <detomaso at realbig.com>
> >>  Sent: Friday, September 04, 2009 8:34 PM
> >> Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid
> dynamics
> >>
> >>
> >> > In the Robertshaw stat, I drilled three holes of about 1/8"  (I'm not
> >> > home so I can't reference the exact size.
> >> >
> >> > The Stant stat has one 3/16" hole in it.
> >> >
> >> > Asa Jay
> >> >
> >> > Quoting Tomas Gunnarsson <guson at home.se>:
> >> >
> >> >> What size is the hole?
> >> >>
> >> >> Tomas
> >> >> ----- Original Message -----
> >> >> From: <asajay at asajay.com>
> >> >> To: <detomaso at realbig.com>
> >> >> Sent: Friday, September 04, 2009 7:11 PM
> >> >> Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid
> >> dynamics
> >> >>
> >> >>
> >> >>> I have a hole drilled in the thermostat so that it does -not- trap
> air.
> >> >>>
> >> >>> Asa Jay
> >> >>>
> >> >>> Quoting Art Stephens <artstephens at verizon.net>:
> >> >>>
> >> >>>> Asa Jay,
> >> >>>> I was just thinking that if the thermostat is not immersed in
> water,
> >>  it is
> >> >>>> not going to open even though the engine is getting hot,  which
> would
> >> mean
> >> >>>> that the system still had air in it?  It seems like I have been
> down
> >> this
> >> >>>> path before?  I liked what Jack was saying about filling it in
> >> >>>> several steps
> >> >>>> and shutting down before it gets too hot.
> >> >>>>
> >> >>>> Art
> >> >>>>
> >> >>>>
> >> >>>> ----- Original Message -----
> >> >>>> From: "Asa Jay Laughton" <asajay at asajay.com>
> >> >>>> To: <detomaso at realbig.com>
> >> >>>> Sent: Friday, September 04, 2009 7:15 AM
> >> >>>> Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid
> >> dynamics
> >> >>>>
> >> >>>>
> >> >>>>> Geeez, always pointing me to that guy running the club store.
> >> >>>>>
> >> >>>>> Well, if the Pantera holds 6½ gallons of coolant, and my system
> was
> >> >>>>> completely dry, then I -definitely- had an air pocket.  My initial
> >> fill,
> >> >>>>> to the point the radiator was full (coming out the bleed at the
> top)
> >> and
> >> >>>>> the swirl tank was full, was three gallons.  I thought this was
> >> short,
> >> >>>>> but could not get any more in.  The thermostat had a bleed hole as
> >> well,
> >> >>>>> so I figured I need to run it an push some air out.  However, I
> now
> >> >>>>> believe I introduced a big air lock in it somewhere, possibly at
> or
> >> near
> >> >>>>> the pump and almost definitely in the engine.
> >> >>>>>
> >> >>>>> Now that I've added coolant and manually turned the pump with the
> >> heater
> >> >>>>> hose off, I have been able to tell when the impeller was saturated
> >> with
> >> >>>>> coolant.  Now it's back to putting the thermostat housing on and
> >> >>>>> attempting to bleed the system again.  This time, paying more
> >> attention
> >> >>>>> to what's going on, rather than the excitement of just having the
> car
> >> >>>>> running after two years.
> >> >>>>>
> >> >>>>> There is probably a lesson in here about filling a dry Pantera
> with
> >> >>>>> coolant.
> >> >>>>>
> >> >>>>> Asa Jay
> >> >>>>>
> >> >>>>> Asa Jay Laughton, MSgt, USAFR, Retired
> >> >>>>>
> >> >>>>> & Shelley Marie
> >> >>>>> Spokane, WA
> >> >>>>>
> >> >>>>> 1971 Mach I Mustang  [ASA JAY]
> >> >>>>> 1973 Pantera L 5533  [ASASCAT]
> >> >>>>>
> >> >>>>> ******************************
> >> >>>>> http://www.asajay.com
> >> >>>>> http://www.teampanteraracing.com
> >> >>>>>
> >> >>>>>
> >> >>>>>
> >> >>>>>
> >> >>>>> MikeLDrew at aol.com wrote:
> >> >>>>>> In a message dated 9/3/09 21 35 44, asajay at asajay.com writes:
> >> >>>>>>
> >> >>>>>>
> >> >>>>>>
> >> >>>>>>> - How many gallons does a typical Pantera take?  (Entire system,
> >> engine,
> >> >>>>>>> pipes and radiator, all dry)
> >> >>>>>>>
> >> >>>>>>>
> >> >>>>>>
> >> >>>>>> I believe that nugget of information can be found in the original
> >> owner's
> >> >>>>>> manual.   To get one of those, contact the POCA club store
> manager,
> >> Asa
> >> >>>>>> Jay
> >> >>>>>> Laughton, at asajay at asajay.com :>) :>) :>)
> >> >>>>>>
> >> >>>>>> Mike (on the road with no original manual at hand to
> >> reference--somehow
> >> >>>>>> it
> >> >>>>>> was left out of the digital version of 'the works'?)
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> >
> >
> >
> >--
> >
> >
> >
> >
> >
> >
> >
> >Michael L. Shortt
> >Savannah, Georgia
> >www.michaelshortt.com
> >michael at michaelshortt.com
> >912-232-9390
> >
> >
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-- 







Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390


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